Non-heatable furnace-front.



MIJ u .n

W. J. FREDERIC'KS. lOl-HBA'NBLE FUBIOB HOUT.

nrucnxol nu non. non.

sse,

l, partition "D" are preferably cast in onet piece. Suid piirtitioii'" s attached to thc miles unl iilsoalt t y attached to the bottom l or'to thl (Op ti 'l`lie form of my derive hon-if in the act-unipiiii 'ing iartitioii D is reqiii'ird, und this s attaried to the bottoni qallowing for the expansion of .thc kiiiillinpg` point. of smoke, Suid openings .M, N an O are epdrawing, Fig. I, lui ing only two eliani vra,

und sides .-l im that air punisce through tlio entire' elieinbet' Oi liefern eli 'tering the rlniliilien "C,'w|iieli it door through the openin 0 between the up ij piii't of iiaidliiirtiti'on D undA top l'. Suid opening 0 lover the partition 1)"is of ii size proportional totliat of inlet "MJ".

Said partition D is constructed at an oblique anglo with the bottom I so thattho chamber C is liirger/at the top than at the bottom and the chemie at thcJiottom than at the topv tlieeeby'prerenting the tendency to beek and iiliio t ir comes morcand inore'lieated iii pil iig farf. ther und'- farther into the mpot'tii'e eliiuultern and until liberated into this tl're through dis chai-,5e N. 'llie air enteri said opening M Figp, is of priicticiil y iitmoii herir tenipcruturo und. grows hotter und iotter iis it parties up through aiu isi still more ested after suing through the opening O over D and by the time it haa down through the reached theo ningN in the liner F through which it panes into the tire its temperature will be far above nes and titel.

iortioned as to size M, with or without l i niiistable dniii ier'beiiig the smalleet and the4 ai'geat, so tlist the iodow, at. M, of t e cont ni bein rm i'ii'ting against and `conducted through tlio liner l'nnd of intensifyim: the lient of tho nirpineiinizA through y on tho wiiy-to tho lire. through the opening.Ir

".\'."' Suid projections 'l" .uro omitted uniti' the top to hermit the liner F to lu' vlil'iwl `-'trsiii.i'lit up to iissoinhlo unil tu ri,

f' lense the doveti'iilod interhueltiiigz fusti-ohms.'

r. C, is larger t Auit lio-` thol chamber Cf iouu air current be iin-' .cheeked und itsvelocity at the outlet N will be ini-.reused iiliiu'mt to u blaat by reuiioiiof its being expiindedby the lieat. Said purpose `of insuring againiit may lio tlrnily lio' d in iteliluco by griiilty iiiu nudily removed by li 'lliis is neromplishcd by dove-tui ed pro'eotions V, Figli. .t'nnd 4, onitlic inner nce of the liner 1"" at its top, bottom uml l sides; tho bottom I, tlio topA ti iiml sidesi Il beinf-properly cut out. to admit und retain autel i eve-tallo prnhietliinu V Sii-id door A und eiiaeinen may be of iiiiy forni to moet requirements und iniiy bc used jointlv or ae ifately. though it is iprrt'- 'enable to mvo t e door A of uniform .to tit Athu-fui'iiaeeii und' openings to which iiivdeifiee' isa plied. y

Pheuhove eserilied derive. entirely untoiitir in its uetion,1ia simple. duriilih' und ilipiiriitiiely inexpensive. to nuiiiiitiieimx` :ind posiusses-tlie veoninierriul value of` being appliriihle lo existing types of funnier-dimi'. :opeiii-upi. otr.. without iii uni?. u'iiy` interferini:- with the ordimiry drut or rei'piiriiii.' fnlteriition to the uid door vopeningzii to arvtommoihite "the .laid types. 'llxperienced o ieriitors or niochnnies'- are not neeeieiiiry vto r-t e operation. installation or repiiinof the dei'irr. the same being a soiirte of. nrononiy aiiwell mi of iiafety and eonifoi't. as ieill be evident from tlie feet. t-liiit. radiation from lient within lieinir prevented..tlie external iinrfiieeii of the deviee remain eoiiatsntlyeool. thereby not only removing all dangrrof injury from liiirning'liy coming in eontaet `with aiiid surfaces whether aceidentii-Ily` or iotil'irwec, but also tly reducing the very lftllll.

it will be obvious to those skilled .in thc nrt to which'my invention relates that modi- ,tleatioii may be made in details without de parting from the notlimit myself to the precise inode otre-oir nt'riietion, but

lliiriiig tli'iiii 'deiierihed thel nature and ohjeeta ofiuy invention, what I claim aa-niiw and d re to aeeiireby Lettera Patent ie,-

l. furnace front eomprielnga 'door and ;.eii.-ieiueiit. each oonsiuting of n plurality of |eii-ruliitoryeliainbera aa'id chiimheni beingv "I toru'ied byvertinal partitiona eo relativel i toeiiieil and tilted that the aiiie of mieli aah 'i ehninhem constantly i'iieieaiiea from its enlimoen to ini exit oi-tion. said doot-'having its lliiugm provii ed with radiating ribii whit-h prevent it from tittiniz-tightly agiiiiiat .Quid riiseiuent, smid door and`oaaeuient eiinli provided with oriees connecting asid eircii iitory rliuinliers. aaid. oritleea proportion- 'lhe coiisti'u'ctioi'i of the liner linnn in the iicconipxinyin drawing is auch tliiit it uhiipeniid simi und to h ai'o ita in'ii'roiuiiline;v .riiseincnte Il of verving sizes und vforum temperatur-ein front of fiirnaeeiiund. in their oor-respondin;` aportnientii, diie to misent loss' of lieatfrzidiation from the iiriiiice, making ii pnrndoxieiilly cool 'tirolttl ini

titl

pim fiume, um. 1 ao lll . utelr ioereaiieil in nino `froni the external. to 13 1o hinatmn, each compris ngire 'continuons airl current? circulato I5 the' adjacent chamber, uubetantiall me interinali ltaoeof nid furnace fron eaid- 'orilices arran alternately at top alu 'hottom of said circulatory chambers and nu. off-id chamber. pmided ein. e

5 tions,ribsanddagfered roectlongan l vgtantiuliy an describe( and orithe purposes act ort i.

2. ln a furnace front, com riaing a'dcor and cancm ta,'uaed ae rate or iu comatively pmtinucd, (no aa to perm t expeneinn` n!l chamat top an bottom oriticea, said door bers connected alternate by likewiscproportion la and maniements each constructed in two pieces, one piece compriain a front face,

' sides, to bottom and partition, the inxnoet sa o said aides, top and bottom having trapenoidnl indentumto receive and retain. n lo tlm -|nmpnndingdovetailed project ion on 'the' iner', the remaining piece, 'said liner liavinita exterior face horizontally lcnrrmmted an ita vinterior face provided with ntnggernd projections extending` iito aa 1 c scribed and for the purposes na 3. In nfurnace front comprising a door und its easements, eachha\t|ng face, back, incltming top, bottom ond siden with longi- 30 tudinul partition forming inner chamber,

mul fuoc lowing a slot extending entirely m .back navi natal, comprising two casting: having `.niden and bottoni o canning; ccmprmi Ymy invention an havin .Hmnm. M nm- :m non, is 'pmnmnifmimnq ahortofthet ornn a coperi tionod 'adlit'xow ofvarin ber fnrnaeelrcnt having n ving alot. at bottom i'oned with to the im-.,- p'imnnuornid 3m', bm creasing. from entrance to exit. by aianting aaid partit the -front face ot aaid doorx being yenten beyond the mld aldea and t forming a ilange, laid Laet forth and for the naea 4. 'A furnace door, for the outlet and connected circnlat dove-tailed faltlninr flange of said door provi for preventin'eadir tight closing, aubetan?.

tiaily as dencri WM. J. FREDEI'HCKS. Witnesses:

Jonu Drrrlaza, F. A. Wlwu.

p provided wit Vtnumvenierinato hold it a a distance from 

